211 lines
6.3 KiB
Makefile
211 lines
6.3 KiB
Makefile
CC = clang
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LIBXDP_STATIC ?= 1
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# Top-level directories.
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BUILD_DIR = build
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SRC_DIR = src
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MODULES_DIR = modules
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# Common directories.
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COMMON_DIR = $(SRC_DIR)/common
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ETC_DIR = /etc/xdpfw
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# Project source directories.
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LOADER_DIR = $(SRC_DIR)/loader
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XDP_DIR = $(SRC_DIR)/xdp
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RULE_ADD_DIR = $(SRC_DIR)/rule_add
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RULE_DEL_DIR = $(SRC_DIR)/rule_del
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# Additional build directories.
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BUILD_LOADER_DIR = $(BUILD_DIR)/loader
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BUILD_XDP_DIR = $(BUILD_DIR)/xdp
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BUILD_RULE_ADD_DIR = $(BUILD_DIR)/rule_add
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BUILD_RULE_DEL_DIR = $(BUILD_DIR)/rule_del
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# XDP Tools directories.
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XDP_TOOLS_DIR = $(MODULES_DIR)/xdp-tools
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XDP_TOOLS_HEADERS = $(XDP_TOOLS_DIR)/headers
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# LibXDP and LibBPF directories.
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LIBXDP_DIR = $(XDP_TOOLS_DIR)/lib/libxdp
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LIBBPF_DIR = $(XDP_TOOLS_DIR)/lib/libbpf
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LIBBPF_SRC = $(LIBBPF_DIR)/src
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# LibBPF objects.
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LIBBPF_OBJS = $(addprefix $(LIBBPF_SRC)/staticobjs/, $(notdir $(wildcard $(LIBBPF_SRC)/staticobjs/*.o)))
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# LibXDP objects.
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# To Do: Figure out why static objects produces errors relating to unreferenced functions with dispatcher.
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# Note: Not sure why shared objects are acting like static objects here where we can link while building and then don't require them at runtime, etc.
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LIBXDP_OBJS = $(addprefix $(LIBXDP_DIR)/sharedobjs/, $(notdir $(wildcard $(LIBXDP_DIR)/sharedobjs/*.o)))
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# Loader directories.
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LOADER_SRC = prog.c
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LOADER_OUT = xdpfw
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LOADER_UTILS_DIR = $(LOADER_DIR)/utils
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# Loader utils.
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LOADER_UTILS_CONFIG_SRC = config.c
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LOADER_UTILS_CONFIG_OBJ = config.o
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LOADER_UTILS_cli_SRC = cli.c
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LOADER_UTILS_cli_OBJ = cli.o
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LOADER_UTILS_XDP_SRC = xdp.c
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LOADER_UTILS_XDP_OBJ = xdp.o
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LOADER_UTILS_LOGGING_SRC = logging.c
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LOADER_UTILS_LOGGING_OBJ = logging.o
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LOADER_UTILS_STATS_SRC = stats.c
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LOADER_UTILS_STATS_OBJ = stats.o
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LOADER_UTILS_HELPERS_SRC = helpers.c
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LOADER_UTILS_HELPERS_OBJ = helpers.o
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# Loader objects.
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LOADER_OBJS = $(BUILD_LOADER_DIR)/$(LOADER_UTILS_CONFIG_OBJ) $(BUILD_LOADER_DIR)/$(LOADER_UTILS_cli_OBJ) $(BUILD_LOADER_DIR)/$(LOADER_UTILS_XDP_OBJ) $(BUILD_LOADER_DIR)/$(LOADER_UTILS_LOGGING_OBJ) $(BUILD_LOADER_DIR)/$(LOADER_UTILS_STATS_OBJ) $(BUILD_LOADER_DIR)/$(LOADER_UTILS_HELPERS_OBJ)
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ifeq ($(LIBXDP_STATIC), 1)
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LOADER_OBJS := $(LIBBPF_OBJS) $(LIBXDP_OBJS) $(LOADER_OBJS)
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endif
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# XDP directories.
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XDP_SRC = prog.c
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XDP_OBJ = xdp_prog.o
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# Rule common.
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RULE_OBJS = $(BUILD_LOADER_DIR)/$(LOADER_UTILS_CONFIG_OBJ) $(BUILD_LOADER_DIR)/$(LOADER_UTILS_XDP_OBJ) $(BUILD_LOADER_DIR)/$(LOADER_UTILS_LOGGING_OBJ) $(BUILD_LOADER_DIR)/$(LOADER_UTILS_HELPERS_OBJ)
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ifeq ($(LIBXDP_STATIC), 1)
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RULE_OBJS := $(LIBBPF_OBJS) $(LIBXDP_OBJS) $(RULE_OBJS)
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endif
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# Rule add.
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RULE_ADD_SRC = prog.c
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RULE_ADD_OUT = xdpfw-add
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RULE_ADD_UTILS_DIR = $(RULE_ADD_DIR)/utils
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# Rule add utils.
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RULE_ADD_UTILS_cli_SRC = cli.c
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RULE_ADD_UTILS_cli_OBJ = cli.o
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RULE_ADD_OBJS = $(BUILD_RULE_ADD_DIR)/$(RULE_ADD_UTILS_cli_OBJ)
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# Rule delete.
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RULE_DEL_SRC = prog.c
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RULE_DEL_OUT = xdpfw-del
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RULE_DEL_UTILS_DIR = $(RULE_DEL_DIR)/utils
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# Rule delete utils.
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RULE_DEL_UTILS_cli_SRC = cli.c
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RULE_DEL_UTILS_cli_OBJ = cli.o
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RULE_DEL_OBJS = $(BUILD_RULE_DEL_DIR)/$(RULE_DEL_UTILS_cli_OBJ)
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# Includes.
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INCS = -I $(SRC_DIR) -I /usr/include -I /usr/local/include
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ifeq ($(LIBXDP_STATIC), 1)
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INCS += -I $(XDP_TOOLS_HEADERS) -I $(LIBBPF_SRC)
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endif
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# Flags.
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FLAGS = -O2 -g
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FLAGS_LOADER = -lconfig -lelf -lz
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ifeq ($(LIBXDP_STATIC), 1)
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FLAGS += -D__LIBXDP_STATIC__
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else
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FLAGS_LOADER += -lbpf -lxdp
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endif
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# All chains.
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all: loader xdp rule_add rule_del
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# Loader program.
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loader: loader_utils
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$(CC) $(INCS) $(FLAGS) $(FLAGS_LOADER) -o $(BUILD_LOADER_DIR)/$(LOADER_OUT) $(LOADER_OBJS) $(LOADER_DIR)/$(LOADER_SRC)
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loader_utils: loader_utils_config loader_utils_cli loader_utils_helpers loader_utils_xdp loader_utils_logging loader_utils_stats
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loader_utils_config:
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$(CC) $(INCS) $(FLAGS) -c -o $(BUILD_LOADER_DIR)/$(LOADER_UTILS_CONFIG_OBJ) $(LOADER_UTILS_DIR)/$(LOADER_UTILS_CONFIG_SRC)
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loader_utils_cli:
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$(CC) $(INCS) $(FLAGS) -c -o $(BUILD_LOADER_DIR)/$(LOADER_UTILS_cli_OBJ) $(LOADER_UTILS_DIR)/$(LOADER_UTILS_cli_SRC)
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loader_utils_xdp:
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$(CC) $(INCS) $(FLAGS) -c -o $(BUILD_LOADER_DIR)/$(LOADER_UTILS_XDP_OBJ) $(LOADER_UTILS_DIR)/$(LOADER_UTILS_XDP_SRC)
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loader_utils_logging:
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$(CC) $(INCS) $(FLAGS) -c -o $(BUILD_LOADER_DIR)/$(LOADER_UTILS_LOGGING_OBJ) $(LOADER_UTILS_DIR)/$(LOADER_UTILS_LOGGING_SRC)
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loader_utils_stats:
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$(CC) $(INCS) $(FLAGS) -c -o $(BUILD_LOADER_DIR)/$(LOADER_UTILS_STATS_OBJ) $(LOADER_UTILS_DIR)/$(LOADER_UTILS_STATS_SRC)
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loader_utils_helpers:
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$(CC) $(INCS) $(FLAGS) -c -o $(BUILD_LOADER_DIR)/$(LOADER_UTILS_HELPERS_OBJ) $(LOADER_UTILS_DIR)/$(LOADER_UTILS_HELPERS_SRC)
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# XDP program.
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xdp:
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$(CC) $(INCS) $(FLAGS) -target bpf -c -o $(BUILD_XDP_DIR)/$(XDP_OBJ) $(XDP_DIR)/$(XDP_SRC)
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# Rule add.
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rule_add: loader_utils rule_add_utils
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$(CC) $(INCS) $(FLAGS) $(FLAGS_LOADER) -o $(BUILD_RULE_ADD_DIR)/$(RULE_ADD_OUT) $(RULE_OBJS) $(RULE_ADD_OBJS) $(RULE_ADD_DIR)/$(RULE_ADD_SRC)
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rule_add_utils: rule_add_utils_cli
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rule_add_utils_cli:
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$(CC) $(INCS) $(FLAGS) -c -o $(BUILD_RULE_ADD_DIR)/$(RULE_ADD_UTILS_cli_OBJ) $(RULE_ADD_UTILS_DIR)/$(RULE_ADD_UTILS_cli_SRC)
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# Rule delete.
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rule_del: loader_utils rule_del_utils
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$(CC) $(INCS) $(FLAGS) $(FLAGS_LOADER) -o $(BUILD_RULE_DEL_DIR)/$(RULE_DEL_OUT) $(RULE_OBJS) $(RULE_DEL_OBJS) $(RULE_DEL_DIR)/$(RULE_DEL_SRC)
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rule_del_utils: rule_del_utils_cli
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rule_del_utils_cli:
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$(CC) $(INCS) $(FLAGS) -c -o $(BUILD_RULE_DEL_DIR)/$(RULE_DEL_UTILS_cli_OBJ) $(RULE_DEL_UTILS_DIR)/$(RULE_DEL_UTILS_cli_SRC)
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# LibXDP chain. We need to install objects here since our program relies on installed object files and such.
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libxdp:
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$(MAKE) -C $(XDP_TOOLS_DIR) libxdp
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libxdp_install:
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$(MAKE) -C $(LIBBPF_SRC) install
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$(MAKE) -C $(LIBXDP_DIR) install
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libxdp_clean:
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$(MAKE) -C $(XDP_TOOLS_DIR) clean
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$(MAKE) -C $(LIBBPF_SRC) clean
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install:
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mkdir -p $(ETC_DIR)
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cp -n xdpfw.conf.example $(ETC_DIR)/xdpfw.conf
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cp -n other/xdpfw.service /etc/systemd/system/
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cp -f $(BUILD_LOADER_DIR)/$(LOADER_OUT) /usr/bin
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cp -f $(BUILD_RULE_ADD_DIR)/$(RULE_ADD_OUT) /usr/bin
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cp -f $(BUILD_RULE_DEL_DIR)/$(RULE_DEL_OUT) /usr/bin
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cp -f $(BUILD_XDP_DIR)/$(XDP_OBJ) $(ETC_DIR)
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clean:
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find $(BUILD_DIR) -type f ! -name ".*" -exec rm -f {} +
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find $(BUILD_LOADER_DIR) -type f ! -name ".*" -exec rm -f {} +
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find $(BUILD_XDP_DIR) -type f ! -name ".*" -exec rm -f {} +
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find $(BUILD_RULE_ADD_DIR) -type f ! -name ".*" -exec rm -f {} +
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find $(BUILD_RULE_DEL_DIR) -type f ! -name ".*" -exec rm -f {} +
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.PHONY: all libxdp
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.DEFAULT: all |